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MP1567 Datasheet(PDF) 2 Page - Monolithic Power Systems

Part # MP1567
Description  1.2A Synchronous Rectified Step-Down Converter
PDF  11 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP1567 Datasheet(HTML) 2 Page - Monolithic Power Systems

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MP1567 – 1.2A SYNCHRONOUS RECTIFIED STEP-DOWN CONVERTER
MP1567 Rev. 2.3
www.MonolithicPower.com
2
1/3/2006
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2006 MPS. All Rights Reserved.
TM
PACKAGE REFERENCE
Part Number*
Package
Temperature
MP1567DK
MSOP10
–40
°C to +85°C
* For Tape & Reel, add suffix –Z (eg. MP1567DK–Z)
For Lead Free, add suffix –LF (eg. MP1567DK–LF–Z)
ABSOLUTE MAXIMUM RATINGS
(1)
Input Supply Voltage VIN ............................. 6.5V
SW Voltage VSW................... –0.3V to VIN + 0.3V
BS to SW Voltage .........................–0.3V to +6V
Voltage at All Other Pins ...............–0.3V to +6V
Storage Temperature.............. –55
°C to +150°C
Recommended Operating Conditions
(2)
Input Supply Voltage VIN ....................2.6V to 6V
Output Voltage VOUT........................0.9V to 4.5V
Operating Temperature............. –40
°C to +85°C
MP1567_PD02_QFN10
TOP VIEW
BS
IN
SW
PGND
SGND
1
2
3
4
5
EN
BP
COMP
FB
SS
10
9
8
7
6
EXPOSED PAD
ON BACKSIDE
Part Number**
Package
Temperature
MP1567DQ
QFN10
(3mm x 3mm)
–40
°C to +85°C
** For Tape & Reel, add suffix –Z (eg. MP1567DQ–Z)
For Lead Free, add suffix –LF (eg. MP1567DQ–LF–Z)
Thermal Resistance
(3)
θJA
θJC
MSOP10 ................................ 150 ..... 65...
°C/W
3x3 QFN10 ............................. 50 ...... 12...
°C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The device is not guaranteed to function outside of its
operating conditions.
3) Measured on approximately 1” square of 1 oz copper.
ELECTRICAL CHARACTERISTICS
VIN = 5V, TA = +25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Input Voltage Range
VIN
2.6
6
V
Input Undervoltage Lockout
2.2
V
Input Undervoltage Lockout Hysteresis
100
mV
Shutdown Supply Current
VEN ≤ 0.3V
0.5
1.0
µA
Operating Supply Current
VEN > 2V, VFB = 1.1V
1.2
1.8
mA
BP Voltage
VBP
VIN = 2.6 to 6V
2.4
V
EN Input Low Voltage
VIL
0.4
V
EN Input High Voltage
VHL
1.5
V
EN Hysteresis
100
mV
EN Input Bias Current
1
µA
Oscillator
Switching Frequency
fSW
800
KHz
Maximum Duty Cycle
DMAX
VFB = 0.7V
85
%
Minimum On Time
tON
200
ns
BS
IN
SW
PGND
SGND
1
2
3
4
5
10
9
8
7
6
EN
BP
COMP
FB
SS
TOP VIEW
MP1567_PD01_MSOP10



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